For citations:

Ivanov A.L. The soil science of Dokuchaev. The unity of theory and application. Contradictions if they are present (to 170-years anniversary of V. V. Dokuchaev). Dokuchaev Soil Bulletin. 2016;(85):150-173. (In Russ.) https://doi.org/10.19047/0136-1694-2016-85-150-173